mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-29 23:53:32 +00:00
c4aca0c09f
Change idmap key name from cifs.cifs_idmap to cifs.idmap. Removed unused structure wksidarr and function match_sid(). Handle errors correctly in function init_cifs(). Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
/*
|
|
* fs/cifs/cifsacl.h
|
|
*
|
|
* Copyright (c) International Business Machines Corp., 2007
|
|
* Author(s): Steve French (sfrench@us.ibm.com)
|
|
*
|
|
* This library is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published
|
|
* by the Free Software Foundation; either version 2.1 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
|
|
* the GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef _CIFSACL_H
|
|
#define _CIFSACL_H
|
|
|
|
|
|
#define NUM_AUTHS 6 /* number of authority fields */
|
|
#define NUM_SUBAUTHS 5 /* number of sub authority fields */
|
|
#define NUM_WK_SIDS 7 /* number of well known sids */
|
|
#define SIDNAMELENGTH 20 /* long enough for the ones we care about */
|
|
#define DEFSECDESCLEN 192 /* sec desc len contaiting a dacl with three aces */
|
|
|
|
#define READ_BIT 0x4
|
|
#define WRITE_BIT 0x2
|
|
#define EXEC_BIT 0x1
|
|
|
|
#define UBITSHIFT 6
|
|
#define GBITSHIFT 3
|
|
|
|
#define ACCESS_ALLOWED 0
|
|
#define ACCESS_DENIED 1
|
|
|
|
#define SIDOWNER 1
|
|
#define SIDGROUP 2
|
|
#define SIDLEN 150 /* S- 1 revision- 6 authorities- max 5 sub authorities */
|
|
|
|
#define SID_ID_MAPPED 0
|
|
#define SID_ID_PENDING 1
|
|
#define SID_MAP_EXPIRE (3600 * HZ) /* map entry expires after one hour */
|
|
#define SID_MAP_RETRY (300 * HZ) /* wait 5 minutes for next attempt to map */
|
|
|
|
struct cifs_ntsd {
|
|
__le16 revision; /* revision level */
|
|
__le16 type;
|
|
__le32 osidoffset;
|
|
__le32 gsidoffset;
|
|
__le32 sacloffset;
|
|
__le32 dacloffset;
|
|
} __attribute__((packed));
|
|
|
|
struct cifs_sid {
|
|
__u8 revision; /* revision level */
|
|
__u8 num_subauth;
|
|
__u8 authority[6];
|
|
__le32 sub_auth[5]; /* sub_auth[num_subauth] */
|
|
} __attribute__((packed));
|
|
|
|
struct cifs_acl {
|
|
__le16 revision; /* revision level */
|
|
__le16 size;
|
|
__le32 num_aces;
|
|
} __attribute__((packed));
|
|
|
|
struct cifs_ace {
|
|
__u8 type;
|
|
__u8 flags;
|
|
__le16 size;
|
|
__le32 access_req;
|
|
struct cifs_sid sid; /* ie UUID of user or group who gets these perms */
|
|
} __attribute__((packed));
|
|
|
|
struct cifs_wksid {
|
|
struct cifs_sid cifssid;
|
|
char sidname[SIDNAMELENGTH];
|
|
} __attribute__((packed));
|
|
|
|
struct cifs_sid_id {
|
|
unsigned int refcount; /* increment with spinlock, decrement without */
|
|
unsigned long id;
|
|
unsigned long time;
|
|
unsigned long state;
|
|
char *sidstr;
|
|
struct rb_node rbnode;
|
|
struct cifs_sid sid;
|
|
};
|
|
|
|
#ifdef __KERNEL__
|
|
extern struct key_type cifs_idmap_key_type;
|
|
extern const struct cred *root_cred;
|
|
#endif /* KERNEL */
|
|
|
|
extern int compare_sids(const struct cifs_sid *, const struct cifs_sid *);
|
|
|
|
#endif /* _CIFSACL_H */
|